|The Zij as-Sanjari of Gregory Chioniades - Joseph Leichter|
In the late 13th century A.D., Gregory Chionades travelled from Byzantium to Persia to study mathematics and astronomy. There he learned Persian and Arabic and studied under Shams ad-Din al-Bukhari, who was associated with the Maragha school of Nasir al-Din al-Tusi. Chioniades translated many works from Arabic and Persian into Greek, and is probably the person responsible for introducing such Islamic innovations as the so-called "Tusi Couple" to the West...
Keywords: Astronomy; Mathematics; mathematical astronomy; Gregory Chioniades; medieval astronomy; al-Khazini; Chioniades; Khazini; Byzantine Greek Astronomy; Islamic Astronomy; transmission of astronomy; history of mathematics; david pingree